Overall rate of reaction in a heterogeneous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually ________________ the concentration of catalyst, if it does not entail a chain mechanism?

Related Mcqs:

Knudsen diffusion is directly proportional to _____________________?

A. T B. √T C. 1/√T D. T2...

The rate of reaction does not decrease appreciably as the reaction proceeds in case of ______________ reactions?

A. Autocatalytic B. Exothermic C. Endothermic D. Autothermal...

Molecularity of an elementary reaction, P + Q → R + S is ____________________?

A. 1 B. 2 C. 3 D. 4...

The catalyst in a first order chemical reaction changes the_________________?

A. Equilibrium constant B. Activation energy C. Heat of formation of the product D. Heat of reaction...

In Langmuir treatment of adsorption,_________________?

A. Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule B. Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site C. All the adsorption does not take place by the … In Langmuir treatment of adsorption,_________________?Read More...